Casing for a watch



FIG. 1 is a perspective view of a casing for a watch showing our my design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a first end elevational view thereof;

FIG. 6 is a second end elevational view thereof; and,

FIG. 7 is a bottom plan view.

The speckled dots are intended to illustrate a contrast in color and/or material used to construct the case. The fact that the drawings illustrate dots, in and of itself, is not material to the invention. 

The ornamental design for a casing for a watch, as shown and described. 